How To Use Greenwich time In A Sentence

• In principle, if a ship had a clock keeping Greenwich time, the navigator could measure the angle of the Sun to note local noon and compare it to the clock.
  0 0
• That is to say, the difference between Greenwich time and local time is a way of orienting oneself in space, of knowing where one is, and how one is heading.
  0 0
• If you knew Greenwich time you could calculate from the sun how many degrees east or west you were.
  0 0